Private Well Resources

Approximately 14-15 million households in the United States rely on a private, household well for drinking water each year, and more than 90,000 new wells are drilled throughout the United States each year. Contamination of a private well is not only the concern of the household served by the well, but also the households using other nearby water supplies and the aquifer that the water is drawn from. If you have a private well, it is important to know when to test and how to maintain your well properly to ensure your family's health.

Below are some resources that can help you know more about your well water and your health.

Fact Sheets

These fact sheets provide information on contaminants that can be found in the water you drink from your well.

  Testing Your Well Water

Well Water Testing FAQ's Contaminants in Well Water

  Specific Contaminants

	Bacteria			Protozoa
		E. coli O157:H7 Campylobacter Salmonella Shigella			Cryptosporidium Giardia
	Viruses			Chemicals
		Enteroviruses Hepatitis A Virus Norovirus Rotavirus			Arsenic Copper Lead Nitrate Radon

U.S. Environmental Protection Agency (EPA) Resources

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This page last reviewed September 19, 2003

Centers for Disease Control and Prevention
National Center for Infectious Diseases
Division of Parasitic Diseases